Photoelectric conversion apparatus and method with reset

Details Photoelectric conversion apparatus and method with reset Photoelectric conversion apparatus and method with reset

1995-10-18

1999-08-03

Ho, Tuan V.

Television

Camera, system and detail

Solid-state image sensor

348296, H04N 5335

Patent

active

059331887

ABSTRACT:
There is provided a photoelectric conversion apparatus capable of obtaining a high S/N ratio and subtracting an unnecessary component of the pixel output without using a memory. For this purpose, in a photoelectric conversion apparatus including plural photoelectric conversion pixels for converting light into an electrical signal and outputting the electrical signal onto signal output lines, the input of an amplifier is capacitively coupled to the signal output line of a photoelectric conversion pixel, and the output of the amplifier is connected to the signal output line through a switch. The amplifier is constituted by an emitter follower, a source follower, or an operational amplifier.

REFERENCES:
patent: 5122881 (1992-06-01), Nishizawa et al.
patent: 5146339 (1992-09-01), Shinohara et al.
patent: 5335008 (1994-08-01), Hamsaki
patent: 5420631 (1995-05-01), Hamasaki
patent: 5539196 (1996-07-01), Miyawaki
patent: 5587738 (1996-12-01), Shinohara

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